| Zip Code | Area Code | City | County | Centroid | Other Information |
| 97223 | 503 | Portland | Washington | (45.4474, -122.784) | Observes Daylight Savings Time |
| 97008 | 503 | Beaverton | Washington | (45.4604, -122.798) | Observes Daylight Savings Time |
| 97078 | 503 | Beaverton | Washington | (45.4608, -122.802) | Observes Daylight Savings Time |
| 97224 | 503 | Portland | Washington | (45.4039, -122.797) | Observes Daylight Savings Time |
| 97035 | 503 | Lake Oswego | Clackamas | (45.4108, -122.724) | Observes Daylight Savings Time |
| 97005 | 503 | Beaverton | Washington | (45.4899, -122.803) | Observes Daylight Savings Time |
| 97075 | 503 | Beaverton | Washington | (45.4926, -122.801) | Observes Daylight Savings Time |
| 97076 | 503 | Beaverton | Washington | (45.4926, -122.801) | Observes Daylight Savings Time |
| 97077 | 503 | Beaverton | Washington | (45.4926, -122.801) | Observes Daylight Savings Time |
| 97280 | 503 | Portland | Multnomah | (45.453, -122.701) | Observes Daylight Savings Time |
| 97219 | 503 | Portland | Multnomah | (45.4516, -122.697) | Observes Daylight Savings Time |
| 97225 | 503 | Portland | Washington | (45.5001, -122.77) | Observes Daylight Savings Time |
| 97298 | 503 | Portland | Washington | (45.5023, -122.771) | Observes Daylight Savings Time |
| 97221 | 503 | Portland | Multnomah | (45.4951, -122.727) | Observes Daylight Savings Time |
| 97007 | 503 | Beaverton | Washington | (45.45, -122.873) | Observes Daylight Savings Time |
| 97271 | 503 | Portland | Multnomah | (45.4781, -122.694) | Observes Daylight Savings Time |
| 97062 | 503 | Tualatin | Washington | (45.3708, -122.77) | Observes Daylight Savings Time |
| 97034 | 503 | Lake Oswego | Clackamas | (45.4099, -122.68) | Observes Daylight Savings Time |
| 97006 | | Aloha | Washington | (45.4942838, -122.8670454) | |
| 97201 | 503 | Portland | Multnomah | (45.4983, -122.691) | Observes Daylight Savings Time |
| 97239 | 503 | Portland | Multnomah | (45.4983, -122.691) | |
| 97296 | 503 | Portland | Multnomah | (45.5321, -122.776) | Observes Daylight Savings Time |
| 97268 | 503 | Portland | Clackamas | (45.4474, -122.646) | Observes Daylight Savings Time |
| 97140 | 503 | Sherwood | Washington | (45.3553, -122.834) | Observes Daylight Savings Time |
| 97267 | | Milwaukie | Multnomah | (45.4462305, -122.6392606) | |